安全帽在佩戴时,帽箍与帽壳内侧之间在水平面上的径向距离一般为()mm。A、150~2

题型:单项选择题

问题:

安全帽在佩戴时,帽箍与帽壳内侧之间在水平面上的径向距离一般为()mm。

A、150~20

B、55~20

C、50~10

D、5~20

考点:登高架设作业操作证高处安装、维护、拆除作业高处安装、维护、拆除作业题库
题型:单项选择题

阅读理解。

     Mr. King goes to a dinner party. He is wearing (穿着) old clothes. He comes into the room. But people in

the room do not look at him. They don't ask him to sit at the table.

     Mr. King goes home and puts on (穿上) his good clothes. He goes back to the party. Everyone in the room

stands up and smiles (微笑) at him. They give him the very good food to eat.

     Mr. King takes off (脱下) his coat, and puts the food in it and says, "Eat, coat!" The other people ask,"What

are you doing?" He answers,"I'm asking my coat to eat the food. I am wearing my old clothes. You do not look

at me. You do not ask me to sit down. Now, I am in these clothes. And you give me very good food. Now I

see, you give the food for my clothes, not for me!"

1. Mr. King goes to the dinner party, but people in the room don't look at him, because _______.

A. he doesn't come by car

B. he is wearing his old clothes

C. he is old

D. he is poor

2. Mr. King goes home to _______.

A. put on his good clothes

B. take off his good clothes

C. to buy good clothes

D. to take money

3. Mr. King goes back to the party, people in the room, stand up and smile at him because _______.

A. he is wearing his old clothes

B. he comes back in a good car

C. he have a lot of money

D. he is wearing his good clothes

4. Mr. King takes off his coat, and _______.

A. eats the good food

B. shows his money to others

C. asks the other to eat the food

D. asks it to eat the good food

5. Now Mr. King sees the good food is _______.

A. for his good car

B. for him

C. for his clothes

D. for his party

题型:单项选择题

I have known him            I was young.

A.before

B.when

C.after

D.since

题型:单项选择题

如图是家蚕各个发育阶段,请回答问题:

(1)按发育顺序排列填上家蚕各个发育阶段的名称:([]内填序号,横线填名称)[______]______、[______]______、[______]______、[______]______.

这种发育过程称为______,如______(至少写出两种)等昆虫也是这种发育类型;

(2)蝗虫、蟑螂等昆虫的发育类型是______发育,发育过程与图中昆虫相比,没有______这个阶段.

题型:单项选择题

小型加料的作用是维持催化剂的()、维持催化剂的平衡活性、补催化剂损失、维护系统藏量。

A.水热稳定性

B.筛分组成

C.组成

题型:单项选择题

驾驶机动车非紧急情况时在高速公路应急车道上行驶的,责令改正,处警告或者()罚款。

更多题库